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Continous-trace $k$-graph $C^*$-algebras (1512.02296v2)
Published 8 Dec 2015 in math.OA
Abstract: A characterization is given for directed graphs that yield graph $C*$-algebras with continuous trace. This is established for row-finite graphs with no sources first using a groupoid approach, and extended to the general case via the Drinen-Tomforde desingularization. Partial results are given to characterize higher-rank graphs that yield $C*$-algebras with continuous trace.
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